[oilpan] Don't notify CachedResourceClients of cancel events when detaching the frame.

Source/core/loader/FrameLoader.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
@@ skipping 203 matching lines @@
     bool checkIfFormActionAllowedByCSP(const KURL&) const;
 
     Frame* opener();
     void setOpener(Frame*);
 
     void resetMultipleFormSubmissionProtection();
 
     void checkCallImplicitClose();
 
     void frameDetached();
+    bool isFrameDetaching();
 
     void setOutgoingReferrer(const KURL&);
 
     void loadDone();
     void finishedParsing();
     void checkCompleted();
 
     bool isComplete() const;
 
     void setTitle(const StringWithDirection&);
@@ skipping 179 matching lines @@
     bool m_didAccessInitialDocument;
     Timer<FrameLoader> m_didAccessInitialDocumentTimer;
     bool m_suppressOpenerInNewFrame;
 
     SandboxFlags m_forcedSandboxFlags;
 
     RefPtr<FrameNetworkingContext> m_networkingContext;
 
     KURL m_previousURL;
     RefPtr<HistoryItem> m_requestedHistoryItem;
+
+    bool m_frameDetaching;
 };
 
 // This function is called by createWindow() in JSDOMWindowBase.cpp, for example, for
 // modal dialog creation.  The lookupFrame is for looking up the frame name in case
 // the frame name references a frame different from the openerFrame, e.g. when it is
 // "_self" or "_parent".
 //
 // FIXME: Consider making this function part of an appropriate class (not FrameLoader)
 // and moving it to a more appropriate location.
 Frame* createWindow(Frame* openerFrame, Frame* lookupFrame, const FrameLoadRequest&, const WindowFeatures&, bool& created);
 
 } // namespace WebCore
 
 #endif // FrameLoader_h